16 lines
410 B
JavaScript
16 lines
410 B
JavaScript
export default function (point) {
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checkCoord(point.x);
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checkCoord(point.y);
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}
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function checkCoord(num) {
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if (typeof Number.isFinite === 'function') {
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if (Number.isFinite(num)) {
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return;
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}
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throw new TypeError('coordinates must be finite numbers');
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}
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if (typeof num !== 'number' || num !== num || !isFinite(num)) {
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throw new TypeError('coordinates must be finite numbers');
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}
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}
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